serde_magnus 0.1.0

Serde integration for Magnus
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

use super::Serializer;
use crate::error::Error;
use magnus::{RHash, Symbol, Value};
use serde::{ser::SerializeStruct, Serialize};

pub struct StructSerializer {
    hash: RHash,
}

impl StructSerializer {
    pub fn new(hash: RHash) -> StructSerializer {
        StructSerializer { hash }
    }
}

impl SerializeStruct for StructSerializer {
    type Ok = Value;
    type Error = Error;

    fn serialize_field<Value: Serialize + ?Sized>(
        &mut self,
        name: &'static str,
        value: &Value,
    ) -> Result<(), Self::Error> {
        self.hash
            .aset(Symbol::new(name), value.serialize(Serializer)?)
            .map_err(Into::into)
    }

    fn end(self) -> Result<Self::Ok, Self::Error> {
        Ok(self.hash.into())
    }
}